Finding the Fourth Proportional to 4,159,101.89, 6,239,178.75 and 1,427,181.50
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Solution
The fourth proportional to 4,159,101.89, 6,239,178.75 and 1,427,181.50 is: 2,140,952.72
Step by Step Solution
- Step 1: Write the proportion equation
4,159,101.89 : 6,239,178.75 = 1,427,181.50 : x - Step 2: Convert to fraction form
4,159,101.89/6,239,178.75 = 1,427,181.50/x - Step 3: Cross multiply
4,159,101.89x = 6,239,178.75 × 1,427,181.50 - Step 4: Simplify right side
4,159,101.89x = 8,904,440,487,193.13 - Step 5: Solve for x
x = 8,904,440,487,193.13/4,159,101.89 - Step 6: Final answer
x = 2,140,952.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.